Mahou Shoujo Lyrical Nanoha Picture Drama

A picture drama released on the BD Box Set of Mahou Shoujo Lyrical Nanoha. Subaru, Teana, Vivio host a radio show promoting their own BD Box Sets. They state that this episode contains content that spoils part of Mahou Shoujo Lyrical Nanoha A's and recommend that the viewer have seen either the A's